P0C47
Hybrid/EV Battery Pack Coolant Pump A Control Circuit/Open
P0C47 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Coolant Pump A Control Circuit/Open. Common causes: battery cooling pump malfunction, open or short circuit in control circuit. Estimated repair cost: $167–444.
Symptoms
- Hybrid system power reduction
- Battery overheating message on the dashboard
- Noise or lack of operation of the cooling pump
- Increasing battery temperature
- System transition to emergency mode
Causes
- Battery cooling pump malfunction
- Open or short circuit in control circuit
- Pump relay or fuse problems
- Malfunction of the hybrid system control unit
- Poor contacts in the pump connectors
How to Fix
- Check coolant pump fuses and relays
- Diagnose the operation of the cooling pump
- Check the integrity of the control circuit (wire harness)
- Inspect and clean the pump connector contacts
- If necessary, replace the battery cooling pump
Related codes
Error P0C47 by Vehicle Brand
FAQ
What does the P0C47 code mean?
P0C47 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Coolant Pump A Control Circuit/Open
What causes a P0C47 error code?
The most common causes of P0C47 include: Battery cooling pump malfunction; Open or short circuit in control circuit; Pump relay or fuse problems; Malfunction of the hybrid system control unit.
How do I fix a P0C47 diagnostic trouble code?
To fix P0C47: Check coolant pump fuses and relays. Diagnose the operation of the cooling pump. Check the integrity of the control circuit (wire harness). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C47?
Do not drive — repair immediately
How much does it cost to fix P0C47?
The estimated repair cost for P0C47 is $167–444. Actual cost depends on your vehicle, location, and labor rates.
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